/* ============================================
   RCC - Variables & Reset
   Royal Construction Company Ltd
   ============================================ */

:root {
  /* Brand Colors */
  --rcc-blue: #1a1fa8;
  --rcc-blue-dark: #13178a;
  --rcc-blue-light: #2530cc;
  --rcc-yellow: #f0a500;
  --rcc-yellow-dark: #d49000;
  --rcc-yellow-light: #ffc136;

  /* Neutral */
  --white: #ffffff;
  --black: #0a0a0a;
  --gray-100: #f7f8fc;
  --gray-200: #e8eaf6;
  --gray-300: #c5c9dc;
  --gray-400: #8b91b0;
  --gray-500: #5c6282;
  --gray-700: #2d3158;
  --gray-900: #12142b;

  /* Semantic - Light Mode (default) */
  --bg-primary: #ffffff;
  --bg-secondary: #f7f8fc;
  --bg-card: #ffffff;
  --bg-nav: rgba(255, 255, 255, 0.95);
  --text-primary: #12142b;
  --text-secondary: #5c6282;
  --text-muted: #8b91b0;
  --border-color: #e8eaf6;
  --shadow-sm: 0 2px 8px rgba(26, 31, 168, 0.08);
  --shadow-md: 0 8px 32px rgba(26, 31, 168, 0.12);
  --shadow-lg: 0 20px 60px rgba(26, 31, 168, 0.18);
  --shadow-card: 0 4px 24px rgba(26, 31, 168, 0.1);

  /* Typography */
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing */
  --section-padding: 100px 0;
  --container-width: 1240px;

  /* Transitions */
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
}

/* Dark Mode */
[data-theme="dark"] {
  --bg-primary: #080a18;
  --bg-secondary: #0f1128;
  --bg-card: #141730;
  --bg-nav: rgba(8, 10, 24, 0.97);
  --text-primary: #eef0fb;
  --text-secondary: #9aa3cc;
  --text-muted: #5a6291;
  --border-color: #1e2248;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.65);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color var(--transition), color var(--transition);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}
::-webkit-scrollbar-thumb {
  background: var(--rcc-blue);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--rcc-yellow);
}